blue peafowl vs bird of Juno

blue peafowl and bird of Juno both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue peafowl	Yes	No	No	No
bird of Juno	Yes	No	No	No

As nouns, bird of Juno is a hypernym of blue peafowl; that is, bird of Juno is a word with a broader meaning than blue peafowl:

blue peafowl: peafowl of India and Ceylon
bird of Juno: very large terrestrial southeast Asian pheasant often raised as an ornamental bird

Other hypernyms of blue peafowl include peafowl.

blue peafowl (noun)	bird of Juno (noun)
peafowl of India and Ceylon	very large terrestrial southeast Asian pheasant often raised as an ornamental bird